About
Node Status
- Role
- Senior Engineer
- Network
- Hyperledger Besu
- Org
- Ant International
- Location
- Singapore
- Uptime
- 840d
VALIDATOR 0x4A2F...C891
Senior Blockchain & Distributed Systems Engineer building production cross-chain infrastructure at Ant International. I founded the Singapore engineering practice as the first hire and own the smart contract architecture powering a $600B/yr settlement platform.
Experience
The chain of my career
Hash: 0x5deaae94...
Senior Engineer, Platform Tech
Ant International · Whale Platform — 24/7 real-time cross-chain settlement on Hyperledger Besu. $600B/yr volume.
- Founded Singapore engineering practice as first hire
- Owner of all 4 smart contract repositories
- Cross-chain bridge: Ethereum, Solana, Besu
- Security audits: Certik, SlowMist, Deloitte
- Author of Draft EIP-7963
- Bettr Settlement Token — featured in Forbes
Hash: 0x3f15b158...
Software Engineer
PayPal · Financial Instrument / Reference Data
- Java microservices for payment infrastructure
- RESTful APIs with comprehensive testing
- Production incident resolution
Hash: 0x00c91fc8...
Full Stack Blockchain Engineer
Freelance · DeFi & NFTFi projects across EVM chains
- NFT game: >$400K revenue, 1K+ users, passed audit
- Liquid staking: 0 incidents in 3+ years on mainnet
- Multiple audited production deployments
Featured
Flagship work
Production Deployment
Development Timeline
5.5x compression
$600B
Platform Volume / yr
Sole
Contract Author
Rust
Solana Replication
Bettr Settlement Token
Stablecoin Product · Ant International
Production-deployed stablecoin smart contract on the Whale settlement platform. Compressed development from 22 days to 4 days using agentic coding workflows. Replicated as a Rust/Solana program for multichain feasibility evaluation.
Architecture
Payment Instruction
EIP-7963 Struct
ZK Guest
Risc Zero Guest
TransferOracle
Verifier Contract
PermissionedERC20
Restricted Token
// Zero-knowledge proof pipeline: instruction → prove → verify → execute
EIP-7963
Oracle-Permissioned ERC-20 with ZK Proofs
An ERC-20 extension where token transfers are validated by an external Transfer Oracle using zero-knowledge proofs of off-chain ISO 20022 payment instructions. Enables compliant, privacy-preserving, auditable token transfers for institutional DeFi.
Projects
Deployed contracts
PROJECT
Network: Ethereum Standard
EIP-7963
Draft — Under ReviewOracle-Permissioned ERC-20 with ZK-Verified ISO 20022 Payment Instructions. Proposed oracle standard for institutional DeFi.
PROJECT
Network: ETHGlobal Tokyo
ZKredentials
4 Prizes at One EventDecentralized resume verification with ZK-SNARKs. Gnosis 1st, Push 1st, Worldcoin Best Governance, Taiko 2nd.
PROJECT
Network: ETHGlobal Singapore
Trend
Best Overall — All TracksDecentralized social layer for fitness with on-chain attestations via Sign Protocol.
PROJECT
Network: Bolt.new Hackathon
Chrona AI
Multi-Agent PlatformConversational workflow automation. 5-agent system using OpenAI Agents SDK with real-time streaming.
Skills
Network topology
Hackathons
20+ prizes across 7 events
Attested By
Sign Protocol
Award:Best Overall
Event:ETHGlobal Singapore 2024
0x2e4adce5
Attested By
Gnosis · Push · Worldcoin · Taiko
Award:1st Place (x4)
Event:ETHGlobal Tokyo 2023
0x0e6094fd
Attested By
Hyperlane
Award:Best Use of Warp Routes
Event:ETHGlobal ScalingEthereum 2023
0x0177185e
Attested By
ETH Seoul
Award:Public Goods Winner
Event:ETH Seoul 2022
0x0e1622a0
Attested By
XMTP · Push Protocol
Award:Runner-Up (x2)
Event:ETHGlobal San Francisco 2022
0x523b7e76
Attested By
The Graph
Award:Best New Subgraphs
Event:ETH Denver 2023
0x1c868504
Attested By
ScalingX
Award:Winner
Event:ScalingX 2023
0x485d52a2
Attested By
Polygon Labs
Award:Winner
Event:Polygon APAC 2023
0x4229763d
Attested By
Sign Protocol
Award:Best Overall
Event:ETHGlobal Singapore 2024
0x2e4adce5
Attested By
Gnosis · Push · Worldcoin · Taiko
Award:1st Place (x4)
Event:ETHGlobal Tokyo 2023
0x0e6094fd
Attested By
Hyperlane
Award:Best Use of Warp Routes
Event:ETHGlobal ScalingEthereum 2023
0x0177185e
Attested By
ETH Seoul
Award:Public Goods Winner
Event:ETH Seoul 2022
0x0e1622a0
Attested By
XMTP · Push Protocol
Award:Runner-Up (x2)
Event:ETHGlobal San Francisco 2022
0x523b7e76
Attested By
The Graph
Award:Best New Subgraphs
Event:ETH Denver 2023
0x1c868504
Attested By
ScalingX
Award:Winner
Event:ScalingX 2023
0x485d52a2
Attested By
Polygon Labs
Award:Winner
Event:Polygon APAC 2023
0x4229763d
Attested By
Sign Protocol
Award:Best Overall
Event:ETHGlobal Singapore 2024
0x2e4adce5
Attested By
Gnosis · Push · Worldcoin · Taiko
Award:1st Place (x4)
Event:ETHGlobal Tokyo 2023
0x0e6094fd
Attested By
Hyperlane
Award:Best Use of Warp Routes
Event:ETHGlobal ScalingEthereum 2023
0x0177185e
Attested By
ETH Seoul
Award:Public Goods Winner
Event:ETH Seoul 2022
0x0e1622a0
Attested By
XMTP · Push Protocol
Award:Runner-Up (x2)
Event:ETHGlobal San Francisco 2022
0x523b7e76
Attested By
The Graph
Award:Best New Subgraphs
Event:ETH Denver 2023
0x1c868504
Attested By
ScalingX
Award:Winner
Event:ScalingX 2023
0x485d52a2
Attested By
Polygon Labs
Award:Winner
Event:Polygon APAC 2023
0x4229763d
Contact
Broadcast transaction